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Replies: 20
Views: 4,931

July 22, 2017, 03:59:13 AM
by Cavebear

Thoughts About Relativity

Started by SGOS

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Replies: 38
Views: 9,019

February 13, 2018, 03:18:12 AM
by Cavebear

Replies: 2
Views: 1,345

January 12, 2021, 04:08:47 PM
by SGOS

Replies: 28
Views: 8,893

June 24, 2016, 05:54:51 AM
by marom1963

Replies: 19
Views: 4,998

February 18, 2018, 08:48:35 PM
by Baruch

Cosmos Episode 2

Started by SGOS

Pages1 2

Replies: 16
Views: 4,039

April 22, 2014, 09:24:11 AM
by pioteir

Replies: 8
Views: 3,505

May 18, 2015, 10:45:22 PM
by Solitary

Replies: 9
Views: 4,399

September 05, 2015, 06:34:03 AM
by josephpalazzo

Replies: 21
Views: 5,022

August 09, 2017, 06:08:17 AM
by Cavebear

Replies: 9
Views: 2,548

December 09, 2018, 11:33:23 AM
by Cavebear

Replies: 6
Views: 2,808

December 05, 2015, 05:59:25 AM
by josephpalazzo

NASA

Started by pr126

Replies: 2
Views: 2,360

December 09, 2015, 01:09:49 PM
by Baruch

Replies: 16
Views: 3,932

August 27, 2018, 08:10:10 PM
by Baruch

Replies: 2
Views: 1,666

June 14, 2018, 07:36:57 AM
by SGOS

Exoplanets

Started by pr126

Replies: 1
Views: 2,222

December 03, 2015, 12:16:34 PM
by Hakurei Reimu

Moon phases 2016

Started by pr126

Replies: 3
Views: 2,548

December 13, 2015, 08:04:08 AM
by SGOS

Proxima b

Started by PopeyesPappy

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Replies: 28
Views: 8,382

August 29, 2016, 06:16:54 PM
by stromboli

Replies: 25
Views: 7,836

February 26, 2013, 09:51:46 AM
by Nihil-ist

Replies: 34
Views: 6,373

September 16, 2013, 06:48:22 PM
by josephpalazzo

Replies: 21
Views: 6,161

September 19, 2017, 02:32:44 PM
by Cavebear

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